Questions tagged [error]
The error tag has no usage guidance.
206
questions
0
votes
0answers
8 views
How to extract revert message from this specific object?
I have the follow error object that was caught in a catch statement
Error: execution reverted: Auction owner is not authorized
{
"originalError": {
"code": 3,
"data&...
0
votes
0answers
9 views
Not installed Ethereum wallet
When installing the wallet, an error pops up
Checksam mismathg in downoalded node
MD5 e05524cc4f6e8711645f40ef5921918a
Please install the Geth node version 1.8.23 manually
Please help.
0
votes
1answer
17 views
Is their any change to move a wallet from an bnb blockchain to an ethereum blockchain?
I transferred some ethereum to my bnb wallet. Later I found out that this bnb wallet is not on the ethereum platform.
So I send an amount of ETH to an address similar to the address of the bnb wallet (...
0
votes
0answers
21 views
Always same INSUFFICIENT_OUTPUT_AMOUNT error
I've been trying to swap some DAI which I sent to the contract to WETH. However even after trying to change the contract a bit I always get the same error output:
transact to GibIhmHart.runUniswap ...
0
votes
0answers
26 views
Cannot find module 'fs-promise' Error when importing a smart contract instance
I get this error when I try to open a page in the DApp I'm developing.
Error: Cannot find module 'fs-promise'
Require stack:
- /Users/eimanalwahhabi/Desktop/RecycleChain/node_modules/swarm-js/lib/api-...
0
votes
0answers
45 views
ParserError: Expected ';' but got '{' (bool success, ) = recipient.call{ value: amount }(“”);
pragma solidity ^0.6.0;
library Address {
function isContract(address account) internal view returns (bool) {
// According to EIP-1052, 0x0 is the value returned for not-yet created ...
0
votes
0answers
36 views
Exception errors and contract calls
Noob here. I've set up a test blockchain using Ganache and have successfully deployed a sample contract to one of the addresses in my environment (using Remix). However, when I try to run my python ...
0
votes
1answer
31 views
Deploying Crowdsale.sol - Error
In order to enable purchases of MyToken, where do I include the RATE (token/ETH) such as the below code from Openzeppelin docs on crowdsales into my deploy_contract.js or MyToken.sol? And how to ...
0
votes
1answer
30 views
Remix: ParserError: Expected pragma. import directive, or contract/library/interface definition
I'm trying to use Remix to interact with a suite of contracts. One of the contracts being used is OpenZeppelin's Ownable contract. I copied from the link above, and pasted it into Remix, with a few ...
1
vote
1answer
22 views
Cannot explain runtime Error
When I use the variable minimum in the require statement
require(msg.value >= minimum, "Below Minimum");
I get the below error in Remix. However, if I hardcode the require statement with ...
1
vote
0answers
14 views
How do I do get the text from a failed `require` in Javascript?
I have a function in my smart contract that has several require clauses. I'm using etheres.js to call the it from React. When it fails, all I get in the JS Error object is the message "the ...
2
votes
1answer
155 views
Member “push” not found or not visible after argument-dependent lookup in address[] storage ref
I am failing to use the push method against a dynamic array declared as a state variable. How can I do this?
I declare a dynamic array of addresses as a state variable like below:
contract Sample {
...
0
votes
0answers
24 views
error while trying to deploy a SC on ropsten testnet
I want to test a staking Smart Contract on the ropsten testnet. The code compile successfully on Remix.
However, when I try to deploy it, I get the following error:
This contract may be abstract, not ...
0
votes
0answers
39 views
Error message shown as [object Object] when use require, how to get actual error message string in Remix IDE Console?
I have used require function as:
require(owner == msg.sender, "Sender must be owner");
But in the remix console I got,
transact to Contract.setAdmin errored: [object Object]
What should I ...
2
votes
2answers
233 views
Ethereum Wallet - Hangs at startup + 403 ws error
I have installed the Ethereum Wallet, Ethereum-Wallet-win64-0-11-1 (zip file), as described in the book. When I start up Ethereum Wallet (testnet Ropsten, syncmode “light”) the wallet seems to load ...
0
votes
1answer
15 views
not implement an abstract parent's methods completely or not invoke an inherited contract's constructor correctly
Having This error while deploying.
pragma solidity 0.4.25;
// ----------------------------------------------------------------------------
// Sample token contract
//
// Symbol : {{Token ...
0
votes
0answers
219 views
Contract call: data out of bounds
I'm working on a nextjs/react project in which i want to fetch the health factor of an address on AAVE. This can be done by calling getUserAcountData(address) on the lending pool contract. I can ...
1
vote
1answer
453 views
What to do if Metamask doesn't show a deposit because it's an “internal transaction”?
This is a follow-up on the question "Do all transactions show in Metamask wallet?" from Sky Hayward, in which Sky asked about transactions that show up as successful on etherscan, yet the ...
0
votes
1answer
575 views
Do all transactions show in metamask wallet?
Bare with me I'm new here :) I've been selling art on Rarible but I can't tell if the Eth is going into my account. Because I'm minting nft's I can't keep track of my Eth total. My wallet activity ...
0
votes
1answer
76 views
Can not Open Ethereum Wallet on Window 10
I did trying install soft Ethereum wallet on windows 10, But I can't open the program. It looks like the picture below. Help me pls, Thank everyone.
0
votes
0answers
11 views
Raise & return error with message if no key found in mapping
I am writing a test that should fail because it looks for a key that doesn't exist on a mapping. How can I raise the error with and error message in solidity? this is the test:
it('Should NOT update ...
0
votes
1answer
22 views
Error in code Expected pragma, import directive or contract/interface/library definitio
I am getting the below error when i compile the below code. Using remix compiler version 0.5.11
****browser/TodoList.sol:7:2: ParserError: Expected pragma, import directive or contract/interface/...
0
votes
0answers
32 views
Error: The send transactions “from” field must be defined!
I get this error, even though I do specify the transaction sender.Here is my code:
for(let a=1; a<TEST_ORACLES_COUNT; a++) {
await config.flightSuretyApp.registerOracle({from: accounts[a], ...
0
votes
0answers
38 views
Type error, unit256 is not implicitly convertible to expected type struct
Using sol compiler 0.5.1
I am trying to fetch data from old smart contract's function called people, the smart contract is already deployed on the blockchain
mapping(address => Person ) public ...
0
votes
0answers
26 views
Trying to deploy a simple contract using node and getting the error: Unhandled Promise Rejection / Contract code couldn't be stored
I am doing an online course and trying to deploy using node. Can anyone help ID what I might be doing wrong. Thank you for any help! The error is below, followed by the js code.
iii@iii:~/Digital ...
0
votes
1answer
295 views
While testing wrap & unwrap of ETH to WETH on Kovan ,however the wrap function is fine but unwrap func fails,is anything wrong in my approach?
trx fails at
& debug at tenderly
pragma solidity 0.5.12;
contract WETH9_
{
mapping (address => uint) public balanceOf;
mapping (address => mapping (address => ...
0
votes
0answers
23 views
How to deploy huge contracts using web3?
I have a huge contract (which exceeds the default contract code size set in Quorum). I have increased the Code size and Transaction size in the Genesis file to 128Mb. The contract works well when ...
2
votes
0answers
29 views
Are there well-solved patterns and practices for handling errors in Solidity?
In the spirit of Are there well-solved and simple storage patterns for Solidity?...
Are there known, battle-tested practices for how to deal with errors in large Solidity codebases?
It's common in ...
0
votes
1answer
80 views
Getting this error `ValueError: {'code': -32000, 'message': 'insufficient funds for gas * price + value'}` on raw transaction send
I know for sure I have enough eth on account. Some prelims:
I am signing a raw transaction with web3.py, like so:
transaction = {
'to': '0xSENDHEREFINALLYPLEASE',
'value': 1000,
'gas': ...
0
votes
1answer
70 views
Error when sending multiple transactions
I'm having a weird issue with the code below in that sometimes it works and sometimes it doesn't. It seems more apparent when TRANSACTIONS is set to a larger number. I have had it fail AND pass with ...
2
votes
1answer
2k views
Uniswap V2 smart contract integration reverts attempt at swapping ETH for tokens
I'm trying to integrate Uniswap V2 into my contract but my attempts at making a trade (ETH to Token) always gets reverted.
Here is my solidity code:
pragma solidity ^0.6.0;
// Included the ...
0
votes
0answers
35 views
deployment error
everyone!
Doing Dapp on Etheryum.
When the contract was deployed, the Error: The data field must be HEX encoded data began to fly out.
I do it on a site under Web3 \ JS. Thought the old js resource. ...
0
votes
0answers
131 views
Why error 'Fail with error 'Storage: Unpermissioned operator <0xc3d5d60630bc63eb1a07228cc5028cada1cc4c7b>' arises?
I wants to deposit & withdrawal DAI
(https://kovan.etherscan.io/address/0xc4375b7de8af5a38a93548eb8453a498222c4ff2)
to SOLO Margin(dydx) smart Contract at Kovan testnet (https://kovan.etherscan....
0
votes
1answer
22 views
When i am doing migration, the netwrok name is ganache instead of development and multiple errors are there
D:\>truffle migrate --reset
Compiling your contracts...
===========================
> Compiling .\contracts\Migrations.sol
> Artifacts written to D:\build\contracts
> Compiled ...
1
vote
1answer
84 views
Error: Invalid bytes6 value
I'm trying to create a TicketPurchaser application. Here is the whole code for the smart contract, although I think the problem I'm asking about is a type error, most of the code is not important.
...
1
vote
1answer
31 views
Public / Internal modifier spawns error: This type is only supported in the new experimental ABI encoder [duplicate]
I have this code snippet:
pragma solidity >=0.5.0 <0.7.0;
import "@aztec/protocol/contracts/libs/NoteUtils.sol";
library EscrowUtils {
using NoteUtils for bytes;
struct Note {
...
1
vote
1answer
54 views
“Consider using `transfer` in place of 'call.value()`” is a false error message by ethlint
I am getting following message when I use solium or ethlint, which is actually not correct and confusing developers. I have opened a issue related to that:
Solium returns error for using call.value().
...
1
vote
0answers
87 views
Unexpected fault address
I picked up an Ethereum Blockchain at AWS ECS almost 3 months ago, it was working perfectly until I got this bug yesterday from the mining node:
unexpected fault address 0x7fb93c71d000
[signal SIGBUS:...
0
votes
2answers
42 views
Etherscan says there is not enough ether, why?
Etherscan says there is not enough ether, why? Arguments, which i enter => requestLoan(3,31,3) and after change account, provideGuarantee(0,3)
I have created dApp and how it looks in my code you can ...
0
votes
1answer
4k views
Getting error -> unexpected token. You may need an appropriate loader to handle this file type
root@kali:~/Documents/oraclize-test# npm run dev
truffle-oraclize-api@0.0.2 dev /root/Documents/oraclize-test
webpack-dev-server
ERROR in ./app/javascripts/app.js
Module parse failed: /root/...
1
vote
1answer
429 views
truffle unbox pet-shop gives DownloadingError: read ECONNRESET at TLSWrap.onStreamRead (internal/stream_base_commons.js:201:27)
Ubuntu 18.04.
Truffle v5.1.2 (core: 5.1.2)
Solidity v0.5.12 (solc-js)
Node v13.2.0
Web3.js v1.2.2
When I execute truffle unbox pet-shop on terminal, I get error
✔ Preparing to download
⠼ ...
2
votes
1answer
46 views
Solidity. Find whether a key exists in a mapping. Then get its value
I have a simple mapping:
mapping(address => string) professorsExam;
How can I check if msg.sender is a key in this mapping, and if it is, get its value? If it isn't I should return something.
...
1
vote
1answer
116 views
Issue with selfdestruct() getting an error
main contract function which calls my secondary contract
function gameOver(uint _matchId)public payable onlyOwner returns(bool) {
Match my_match = Match(matchTracker[_matchId]);
bool success ...
0
votes
1answer
143 views
invalid implicit conversion from contract to address requested contract
I am using this function to create a new contract instance of Match contract which takes 4 parameters.
However i am getting this error message "invalid implicit conversion from contract to address ...
0
votes
2answers
109 views
Assertion error running truffle test
I can't seem to understand where this error comes from. Maybe someone can help
My token solidity file :
pragma solidity >=0.4.2 <0.6.0;
contract LairToken {
//Name
string public ...
0
votes
0answers
110 views
Error: Returned values aren't valid, did it run Out of Gas based on YT Tutorial
I red the other Threads about this case, but couldn't fixed the problem.
I got this tutorial for Scmart contracts:
https://www.youtube.com/watch?v=coQ5dg8wM2o&feature=youtu.be
However the ...
1
vote
0answers
27 views
0
votes
1answer
172 views
rpc error with payload and exception thrown in contract code
This is the problem I get when trying to run my contract!
And then when I go ahead and run it, this pops up
This is my js code:
import React, { Component } from 'react';
import Web3 from 'web3';
...
0
votes
3answers
1k views
Remix Deploy Error encoding arguments
I'm building a simple fund raising smart contract and having problems deploying this through Remix. I'm wanting to set the "goal" and "minimum contribution" values (in wei) during the contract ...
-3
votes
2answers
163 views
Trying to create an instance of an abstract contract
pragma solidity ^0.5.0;
import 'https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/contracts/math/SafeMath.sol';
contract SubToken{
mapping(address => uint) balances;
...
